Table 1 Summary of customer sample and survey questions
Residential customers | Nonresidential customers |
|---|---|
Categories | |
Low income: < $50,000 (n = 174) Medium income: $50,000–$100,000 (n = 214) High income: > $100,000 (n = 256) | Small and medium business (n = 200) Large commercial and industrial enterprises (n = 61) |
Alternatives | |
(RA1) Stay home and pursue activities not requiring power (RA2) Stay home and operate backup power systems (RA3) Temporarily move to a location with power (outside a 20-mile radius) | (NA1) Shut down facility except for safety and security staff (NA2) Continue performing tasks that do not require electricity or operate on backup power (NA3) Temporarily shut down until backup power is rented (NA4) Transfer operations to locations with power |
Ancillary Questions | |
• Type of home • Household members • Annual household income • Power interruptions’ effects on their household well-being/operation | • Value of lost production: revenue in the absence of interruption (potential revenue if interruption occurred) • Interruption-related costs: direct additional production costs (additional labor/overtime pay to make up for lost production, costs to restart operations, replacement of inventory or product lost, cost to operate backup power) • Savings: input costs avoided due to shutdowns |
